EP 0212745 B1 19910410 - DRUG PARTICLES HAVING CONSTANT RELEASE
Title (en)
DRUG PARTICLES HAVING CONSTANT RELEASE
Publication
Application
Priority
US 76674585 A 19850816
Abstract (en)
[origin: EP0212745A2] Drug particles are disclosed which reduce the variation in dissolution rate with time frequently found with sustained-release dosage forms. This is achieved by coating the drug particle with an inner coating of an enteric material and an outer coating of a material which is insoluble at any pH and acts as a diffusion barrier for the drug active.
IPC 1-7
IPC 8 full level
A61K 9/58 (2006.01); A61K 9/16 (2006.01); A61K 9/22 (2006.01); A61K 9/50 (2006.01); A61K 9/54 (2006.01); A61K 31/19 (2006.01); A61K 31/40 (2006.01); A61P 25/04 (2006.01); A61P 29/00 (2006.01)
CPC (source: EP)
A61K 9/5073 (2013.01); A61K 31/19 (2013.01); A61P 25/04 (2017.12); A61P 29/00 (2017.12)
Designated contracting state (EPC)
BE CH DE FR IT LI LU NL
DOCDB simple family (publication)
EP 0212745 A2 19870304; EP 0212745 A3 19871111; EP 0212745 B1 19910410; AU 601693 B2 19900920; AU 6119086 A 19870219; CA 1275047 A 19901009; DE 3678641 D1 19910516; DK 390386 A 19870217; DK 390386 D0 19860815; GB 2180154 A 19870325; GB 2180154 B 19891004; GB 8619564 D0 19860924; HK 126193 A 19931126; IE 59408 B1 19940223; IE 862199 L 19870216; IL 79695 A0 19861130; IL 79695 A 19900917; JP H0710772 B2 19950208; JP S62111921 A 19870522; NZ 217231 A 19890727; PH 23970 A 19900123; SG 59792 G 19920904; ZA 866157 B 19880427
DOCDB simple family (application)
EP 86201388 A 19860807; AU 6119086 A 19860815; CA 515993 A 19860814; DE 3678641 T 19860807; DK 390386 A 19860815; GB 8619564 A 19860811; HK 126193 A 19931118; IE 219986 A 19860815; IL 7969586 A 19860812; JP 19195086 A 19860816; NZ 21723186 A 19860815; PH 34132 A 19860813; SG 59792 A 19920604; ZA 866157 A 19860815